To undo an operation, do the following:
To call up the list of recent operations, choose
.The list of recent operations will appear. The most recent operations come first on the list.
Figure 1. The list of recent operations you can undo.
On the list, click the operation to undo.
When you undo an operation, you also undo all the operations above it on the list.
Click the
Undo button on the toolbar.
Press Ctrl-Z.
If you fail to undo all of your operations, it is because the maximum number of operations to undo/redo is limited. You can change the maximum number of the most recent operations to undo/redo.